Assume that an ArrayList of integers named a has been declared and initialized . Write a single statement that assigns a new value to the first element of the ArrayList. The new value should be equal to twice the value stored in the last element of the ArrayList.

Assume that an ArrayList of integers named a has been declared and initialized . Write a single statement that assigns a new value to the first element of the ArrayList. The new value should be equal to twice the value stored in the last element of the ArrayList.

LANGUAGE: JAVA

CHALLENGE:

Assume that an ArrayList of integers named a has been declared and initialized . Write a single statement that assigns a new value to the first element of the ArrayList. The new value should be equal to twice the value stored in the last element of the ArrayList.

SOLUTION:

a.set(0, a.get(a.size() – 1) * 2);

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